Home / 126,076.12-173,985.86-69,487.50

Finding the Fourth Proportional to 126,076.12, 173,985.86 and 69,487.50

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Solution

The fourth proportional to 126,076.12, 173,985.86 and 69,487.50 is: 95,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076.12 : 173,985.86 = 69,487.50 : x
  2. Step 2: Convert to fraction form
    126,076.12/173,985.86 = 69,487.50/x
  3. Step 3: Cross multiply
    126,076.12x = 173,985.86 × 69,487.50
  4. Step 4: Simplify right side
    126,076.12x = 12,089,842,446.75
  5. Step 5: Solve for x
    x = 12,089,842,446.75/126,076.12
  6. Step 6: Final answer
    x = 95,893.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.